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Finding the Fourth Proportional to 49,402, 74,114.28 and 14,344.48

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Solution

The fourth proportional to 49,402, 74,114.28 and 14,344.48 is: 21,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,402 : 74,114.28 = 14,344.48 : x
  2. Step 2: Convert to fraction form
    49,402/74,114.28 = 14,344.48/x
  3. Step 3: Cross multiply
    49,402x = 74,114.28 × 14,344.48
  4. Step 4: Simplify right side
    49,402x = 1,063,130,807.17
  5. Step 5: Solve for x
    x = 1,063,130,807.17/49,402
  6. Step 6: Final answer
    x = 21,520.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.